Blade Steel · Carbon

M2 Carbon Steel

In stock · ships in 1 business day

$10.00 – $532.50

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Details

Specs & resources

Preheat: Heat to 840-930°F. Equalize temperature. Second pre-heat stage at 1,560-1,650°F. Equalize temperature.
Austenitize: 1,875-2,200°F. Soak time at temperature: 1,875°F - 45 minutes 1,975°F - 30 minutes 2,050°F - 20 minutes 2,100°F - 15 minutes 2,150°F - 10 minutes 2,200°F - 5 minutes For cutting tools use 2,150-2,200°F. For cold work applications use 1,875-2,125°F. Quench in air or positive pressure quench to below 125°F, or salt or interrupted oil quench to about 1,000°F, then air cool to below 125°F. A fast quench rate from hardening temperature to below 1,100°F is critical to achieve optimum heat treat response. A slower cooling rate below 1,000°F may be used to minimize distortion.
Temper: Double temper at 1,000°F minimum. Triple temper recommended when hardening from 2,100°F or higher. 2 hours minimum each temper. Air cool to room temperature between tempers. Use the chart below to select the tempering temperature.
Cryogenic Treating: After the first temper may improve long term dimensional stability by transforming retained austenite. Any cryogenic treatment must be followed by a temper.